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Product Details

Enhance your core strength while working on your upper and lower body with this BODYFIT® medium stability ball. The durable, burst-resistant ball inflates to 65 centimeters and is perfect for the home or office. A two-way hand pump, training DVD and System 6® six-week body transformation program are also included.

Get your new BODYFIT® stability ball today from Sports Authority.

Features

Inflates to 65 centimeters in diameter

Durable, burst-resistant design

Ideal for upper and lower body workouts

Develops core strength

Two-way hand pump, training DVD and System 6® six-week body transformation program included

I bought the blue 65cm ball in store. Now it's been awhile since geometry - but last I knew a 65cm ball should have a circumference of approximately 78 inches - that's what the included "tape measure" seemed to indicate as well. When the ball was fully inflated - hard as a rock - the "tape measure" still had a good 10" to go. That and the radius measurement I did indicated the ball was more the size of a 55cm ball. If I'd wanted a 55, I'd have bought a 55! Now another trip to return it.

I bought this ball to do home PT after I injured my hamstring. It is good quality and easy to inflate. The included pump is a great feature. So far it seems to be holding air okay. I have had to add air once in 3 weeks, but none since. I would recommend it to anyone looking for a decent quality training ball.

well i watch tv and use the ball. Since i am older and unable to everything the pamphlet says and exercise per commercial. when commercial comes on i switch the exercise i do. i have been toning up mostly my leg, upper thighs, and stomach muscle. this is a great thing for me.

It is round and blue. It's pretty big, but not as big as the earth. The earth is also round and blue. I was not given this ball as a gift so I am not REQUIRED to disclose that in my comments. As far as balls go, this is definitely one. What can be said about a ball? It's a ball.